Simple Machines crossword

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Across
  1. 3. Work equation
  2. 4. A slanted surface or ramp
  3. 6. Type of lever where the Fe is located between the fulcrum and the Fr
  4. 9. IMA equation for wheel and axle
Down
  1. 1. A machine that combines two or more simple machines
  2. 2. A device that makes work easier with only one movement
  3. 3. AMA Formula
  4. 5. A bar that is free to turn on a fixed point called a fulcrum
  5. 7. IMA formula
  6. 8. the transfer of energy through motion